Alphacool Eisbear 420 high temps

[MrTweedels]

Hello everyone,

 

i have a problem with my new pc. I have a 9900KS oc'ed to 5.2GHz with a vid of 1.27volts (HWinfo) and stressing it with Asus realbench 2.43 the temps hit about 91°C witch is very high when considering i'm running the Alphacool Eisbar 420mm with the 280mm expansion rad. I have tried reaplying the thermal past witch didn't help, but gave me a chance to look at how it covered the ihs and it was perfect as expexted because manual spread. Thermalpast used was the Thermalgrizzly Kryonaut. I realy appreciate any help. Thanks!

 

Partslist:

CPU: i9 9900KS

MOBO: ASUS Maximus XI Apex Z390

RAM: G.Skill 2x16GB 4000MHz

GPU: EVGA GTX1080 FTW

PSU: Coolermaster V850

 

[Juular]

23 minutes ago, MrTweedels said:

vid of 1.27volts

That doesn't tell much, what vCore and package power ? Either way, 90°C seems a bit high, what's the load ? And what are pump and radiator fans RPMs ?

[MrTweedels]

My bad vCore is 1.27 volts, package power is 202 to 209 watts at a 100% load. Pump speed is 2500rpm. Fans on the 420mm rad are 3 Noctua iPPC 2000rpm pwm at full speed and on the 280mm rad are be quiet purewings pwm 1300rpm (alphacool branded) also at full speed.

[MrTweedels]

If this helps anyone, i also saw some i would call it pitting in the coldplate from the cooler. Or marks / outline pices of the cpu in the copper

[MrTweedels]

To bring this thread to an end. In the picture you can see that the cpu only makes contact at the top an bottom part of the ihs and then only on a small part there as well. So if every thing is alright with system and you got high Temps, good chance your ihs is at fault.